Definition of polypteroid in English:

polypteroid

Pronunciation /pəˈlɪptərɔɪd/

noun

rare Zoology
  • A member of a group of fishes that includes the polypterids.

Origin

Mid 19th century; earliest use found in Theodore Gill (1837–1914). From scientific Latin Polypterus Polypterus + -oid.